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Finding the Fourth Proportional to 10,917.86, 15,067.05 and 6,202.94

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Solution

The fourth proportional to 10,917.86, 15,067.05 and 6,202.94 is: 8,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.86 : 15,067.05 = 6,202.94 : x
  2. Step 2: Convert to fraction form
    10,917.86/15,067.05 = 6,202.94/x
  3. Step 3: Cross multiply
    10,917.86x = 15,067.05 × 6,202.94
  4. Step 4: Simplify right side
    10,917.86x = 93,460,007.13
  5. Step 5: Solve for x
    x = 93,460,007.13/10,917.86
  6. Step 6: Final answer
    x = 8,560.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.